<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>雪碧图</title>
    <style>
        a:link{
            display: block;
            width: 93px;
            height: 29px;
            background-image: url(./img/雪碧图/btn.png);
        }
        a:hover{
            background-image: url(./img/雪碧图/btn.png);
            background-position: -93px 0;
        }
        a:active{
            background-image: url(./img/雪碧图/btn.png);
            background-position: -186px 0;
        }
    </style>
</head>
<body>
     <a href="javascript:;"></a>
</body>
</html>